Since yesterdays Leap 15.1 patch to Firefox 78.0.1esr, the Page Up/Down stopped working.
- I clicked into the displayed page and, Page Up/Down began working.
- Pressing the <Tab> key also worked.
- Internet search …
The issue is <F7> – “accessibility.browsewithcaret” …
Caret Browsing is provided as a way to navigate through a web page—using only the keyboard—by moving a text caret. This mode is more easily toggled by pressing [F7].
[HR][/HR]Within Firefox, open the URL <about:config> – agree to all the warnings and select “Show all settings”.
- Set “accessibility.browsewithcaret” to the value “false”.
I haven’t yet noticed if, in the URL <about:support>, the change is listed in the list of important settings changed, or not – I may have to restart Firefox …
Everything normal here, “accessibility.browsewithcaret” is set to false and no mention in the “settings changed” list. Doesn’t appear to be a general problem.
Pressing F7 pops up a warning, so you cannot inadvertently trigger that either.
Digging deeper and, going through the Firefox settings, it seems that, the default value for the setting “accessibility.browsewithcaret” is “false”.
- It may well be that, after yesterday’s patch was applied, at the next invocation of Firefox the Mozilla upgrade routines for my settings, inadvertently flipped the “accessibility.browsewithcaret
With Firefox 78.0.1esr and 78.0.2esr, the settings for “Browsing” include two checkboxes which will affect Accessibility settings:
- Using the keyboard to select text (Caret Browsing) – will enable “accessibility.browsewithcaret
” … - Search for text when you begin typing – will enable “accessibility.typeaheadfind